Excursions in Mathematics, Loose-Leaf Edition Plus MyLab Math with Pearson eText -- 18 Week Access Card Package
9th Edition
ISBN: 9780136208754
Author: Tannenbaum, Peter
Publisher: PEARSON
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Chapter 16, Problem 73E
An urn contains seven red balls and three blue balls.
a. If three balls are selected all at once, what is the probability that two are blue and one is red?
b. If three balls are selected by pulling out a ball, noting its color, and putting it back in the urn before the next selection, what is the probability that only the first and third balls drawn are blue?
c. If three balls are selected one at a time without putting them back in the urn, what is the probability that only the first and third balls drawn are blue?
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Chapter 16 Solutions
Excursions in Mathematics, Loose-Leaf Edition Plus MyLab Math with Pearson eText -- 18 Week Access Card Package
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